MI · gas · U-22002
Active case·Testimony·Party positions available
The pending filing would increase SEMCO's rate base by $469.4 million from the $718.9 million reflected in its last rate order. The requested economics and consumer-advocate positions are not authorized outcomes.
SEMCO seeks a $61.3 million annual increase for a 2027 projected test year, including a requested $1.1883 billion rate base, 10.75% ROE, and 6.62% overall return.
Not scheduled
Jan 1, 2027
Case stage
testimony
Filed
Feb 23, 2026
Testimony
Current stage
Hearings
Not recorded
Briefing
Not recorded
Decision
Not recorded
Rates effective
Not recorded
State rules
This docket is a full base-rate review. Selected charges can change on separate schedules without reopening every issue in this case.
Full base-rate review
No fixed recurring interval
A utility files when it seeks a base-rate change. The MPSC's general framework does not impose a common annual or multi-year filing cycle, but it requires a final Commission decision within 10 months of the application.
Rate period: Filing-specific forecast, historical support, and standard rate-case schedules.
Governing rule ↗Between full reviews
Power and gas supply cost recovery
Variable surcharge · annual reconciliation
PSCR and GCR surcharges recover fuel, purchased power, transmission, and gas-supply costs above the amount in base rates. Actual costs are reconciled annually after a prudence review.
Governing source ↗Current case economics
Filed request and any outcome captured in this docket.
| Metric | Utility request | Current case outcome | Like-for-like difference |
|---|---|---|---|
| Annual revenue increase | $61.3M Projected test year 2027 | Not available No outcome yet | — |
| Rate base | $1,188.3M Projected test year 2027 · Feb 23, 2026 | Not available No outcome yet | — |
| Return on equity | 10.75% Projected test year 2027 · Feb 23, 2026 | Not available No outcome yet | — |
| Common equity ratio | Not available Not captured in current case sources | Not available No outcome yet | — |
| Residential bill impact | Not available Not captured in current case sources | Not available No outcome yet | — |
| Metric | Party | Position |
|---|---|---|
| Return on equity | Consumer advocate Michigan Attorney General testimony recommendation · Jun 24, 2026 | 9.8% |
Prior authorizations, mechanism values, actuals, and company projections are shown separately because they are not default like-for-like case comparisons.
Annual revenue change
authorized · Projected test year 2020 · Dec 6, 2019
$19.9M
Common equity ratio
authorized · Projected test year 2020 · Dec 6, 2019
54%
Overall rate of return
authorized · Projected test year 2020 · Dec 6, 2019
6.44%
Rate base
authorized · Projected test year 2020 · Dec 6, 2019
$718.9M
Return on equity
authorized · Projected test year 2020 · Dec 6, 2019
9.87%
1 event · 3 documents · 3 citations
Material filings, hearings, orders, and effective dates.
Jan 1, 2027
Earliest proposed effective date for new rates
utility guidance · conditional
Docket and evidence documents linked to this proceeding.
Michigan Public Service Commission e-Dockets case page for U-22002
official docket · primary · —
Michigan Attorney General announcement of SEMCO testimony
evidence · primary · Jun 24, 2026
SEMCO Energy Gas rate-case summary - Case U-22002
evidence · direct · Feb 23, 2026
Field-level excerpts and review metadata supporting material facts.
SEMCO Energy Gas rate-case summary - Case U-22002
utility filing · Feb 23, 2026
SEMCO Energy Gas rate-case summary - Case U-22002
utility filing · Feb 23, 2026
Michigan Attorney General announcement of SEMCO testimony
consumer advocate document · Jun 24, 2026
Stage-preserving economics and party positions as published in the canonical record.
| Metric | Stage | Party | Period | Value | Evidence |
|---|---|---|---|---|---|
| Return on equity | consumer advocate | party-mi-attorney-general | — | 9.8% | |
| Overall rate of return | utility request | SEMCO Energy Gas Company | Projected test year 2027 | 6.62% | |
| Rate base | utility request | SEMCO Energy Gas Company | Projected test year 2027 | $1,188.3M | |
| Revenue change | utility request | SEMCO Energy Gas Company | Projected test year 2027 | 15% | |
| Annual revenue change | utility request | SEMCO Energy Gas Company | Projected test year 2027 | $61.3M | |
| Return on equity | utility request | SEMCO Energy Gas Company | Projected test year 2027 | 10.75% |